--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/* Author:
+ * Brian Paul
+ * Keith Whitwell
+ */
+
+
+#include "pipe/p_defines.h"
+#include "pipe/p_context.h"
+#include "pipe/p_winsys.h"
+#include "pipe/p_util.h"
+
+#include "pipe/draw/draw_private.h"
+#include "pipe/draw/draw_context.h"
+#include "pipe/draw/draw_prim.h"
+
+#include "pipe/tgsi/core/tgsi_exec.h"
+#include "pipe/tgsi/core/tgsi_build.h"
+#include "pipe/tgsi/core/tgsi_util.h"
+
+
+#if defined __GNUC__
+#define ALIGN16_DECL(TYPE, NAME, SIZE) TYPE NAME[SIZE] __attribute__(( aligned( 16 ) ))
+#define ALIGN16_ASSIGN(P) P
+#else
+#define ALIGN16_DECL(TYPE, NAME, SIZE) TYPE NAME[SIZE + 1]
+#define ALIGN16_ASSIGN(P) align16(P)
+#endif
+
+
+
+static INLINE unsigned
+compute_clipmask(float cx, float cy, float cz, float cw)
+{
+ unsigned mask;
+#if defined(macintosh) || defined(__powerpc__)
+ /* on powerpc cliptest is 17% faster in this way. */
+ mask = (((cw < cx) << CLIP_RIGHT_SHIFT));
+ mask |= (((cw < -cx) << CLIP_LEFT_SHIFT));
+ mask |= (((cw < cy) << CLIP_TOP_SHIFT));
+ mask |= (((cw < -cy) << CLIP_BOTTOM_SHIFT));
+ mask |= (((cw < cz) << CLIP_FAR_SHIFT));
+ mask |= (((cw < -cz) << CLIP_NEAR_SHIFT));
+#else /* !defined(macintosh)) */
+ mask = 0x0;
+ if (-cx + cw < 0) mask |= CLIP_RIGHT_BIT;
+ if ( cx + cw < 0) mask |= CLIP_LEFT_BIT;
+ if (-cy + cw < 0) mask |= CLIP_TOP_BIT;
+ if ( cy + cw < 0) mask |= CLIP_BOTTOM_BIT;
+ if (-cz + cw < 0) mask |= CLIP_FAR_BIT;
+ if ( cz + cw < 0) mask |= CLIP_NEAR_BIT;
+#endif /* defined(macintosh) */
+ return mask;
+}
+
+
+/**
+ * Fetch a float[4] vertex attribute from memory, doing format/type
+ * conversion as needed.
+ * XXX this might be a temporary thing.
+ */
+static void
+fetch_attrib4(const void *ptr, unsigned format, float attrib[4])
+{
+ /* defaults */
+ attrib[1] = 0.0;
+ attrib[2] = 0.0;
+ attrib[3] = 1.0;
+ switch (format) {
+ case PIPE_FORMAT_R32G32B32A32_FLOAT:
+ attrib[3] = ((float *) ptr)[3];
+ /* fall-through */
+ case PIPE_FORMAT_R32G32B32_FLOAT:
+ attrib[2] = ((float *) ptr)[2];
+ /* fall-through */
+ case PIPE_FORMAT_R32G32_FLOAT:
+ attrib[1] = ((float *) ptr)[1];
+ /* fall-through */
+ case PIPE_FORMAT_R32_FLOAT:
+ attrib[0] = ((float *) ptr)[0];
+ break;
+ default:
+ assert(0);
+ }
+}
+
+
+/**
+ * Transform vertices with the current vertex program/shader
+ * Up to four vertices can be shaded at a time.
+ * \param vbuffer the input vertex data
+ * \param elts indexes of four input vertices
+ * \param count number of vertices to shade [1..4]
+ * \param vOut array of pointers to four output vertices
+ */
+static void
+run_vertex_program(struct draw_context *draw,
+ unsigned elts[4], unsigned count,
+ struct vertex_header *vOut[])
+{
+ struct tgsi_exec_machine machine;
+ unsigned int j;
+
+ ALIGN16_DECL(struct tgsi_exec_vector, inputs, PIPE_ATTRIB_MAX);
+ ALIGN16_DECL(struct tgsi_exec_vector, outputs, PIPE_ATTRIB_MAX);
+ const float *scale = draw->viewport.scale;
+ const float *trans = draw->viewport.translate;
+
+ assert(count <= 4);
+
+#ifdef DEBUG
+ memset( &machine, 0, sizeof( machine ) );
+#endif
+
+ /* init machine state */
+ tgsi_exec_machine_init(&machine,
+ draw->vertex_shader.tokens,
+ PIPE_MAX_SAMPLERS,
+ NULL /*samplers*/ );
+
+ /* Consts does not require 16 byte alignment. */
+ machine.Consts = draw->vertex_shader.constants->constant;
+
+ machine.Inputs = ALIGN16_ASSIGN(inputs);
+ machine.Outputs = ALIGN16_ASSIGN(outputs);
+
+
+ if (0)
+ {
+ unsigned attr;
+ for (attr = 0; attr < 16; attr++) {
+ if (draw->vertex_shader.inputs_read & (1 << attr)) {
+ printf("attr %d: buf_off %d src_off %d pitch %d\n",
+ attr,
+ draw->vertex_buffer[attr].buffer_offset,
+ draw->vertex_element[attr].src_offset,
+ draw->vertex_buffer[attr].pitch);
+ }
+ }
+ }
+
+ /* load machine inputs */
+ for (j = 0; j < count; j++) {
+ unsigned attr;
+ for (attr = 0; attr < 16; attr++) {
+ if (draw->vertex_shader.inputs_read & (1 << attr)) {
+ const void *src
+ = (const void *) ((const ubyte *) draw->mapped_vbuffer[attr]
+ + draw->vertex_buffer[attr].buffer_offset
+ + draw->vertex_element[attr].src_offset
+ + elts[j] * draw->vertex_buffer[attr].pitch);
+ float p[4];
+
+ fetch_attrib4(src, draw->vertex_element[attr].src_format, p);
+
+ machine.Inputs[attr].xyzw[0].f[j] = p[0]; /*X*/
+ machine.Inputs[attr].xyzw[1].f[j] = p[1]; /*Y*/
+ machine.Inputs[attr].xyzw[2].f[j] = p[2]; /*Z*/
+ machine.Inputs[attr].xyzw[3].f[j] = p[3]; /*W*/
+#if 0
+ if (attr == 0) {
+ printf("Input vertex %d: %f %f %f\n",
+ j, p[0], p[1], p[2]);
+ }
+#endif
+ }
+ }
+ }
+
+#if 0
+ printf("Consts:\n");
+ for (i = 0; i < 4; i++) {
+ printf(" %d: %f %f %f %f\n", i,
+ machine.Consts[i][0],
+ machine.Consts[i][1],
+ machine.Consts[i][2],
+ machine.Consts[i][3]);
+ }
+#endif
+
+ /* run shader */
+ tgsi_exec_machine_run( &machine );
+
+#if 0
+ printf("VS result: %f %f %f %f\n",
+ outputs[0].xyzw[0].f[0],
+ outputs[0].xyzw[1].f[0],
+ outputs[0].xyzw[2].f[0],
+ outputs[0].xyzw[3].f[0]);
+#endif
+
+ /* store machine results */
+ assert(draw->vertex_shader.outputs_written & (1 << VERT_RESULT_HPOS));
+ for (j = 0; j < count; j++) {
+ unsigned attr, slot;
+ float x, y, z, w;
+
+ /* Handle attr[0] (position) specially: */
+ x = vOut[j]->clip[0] = outputs[0].xyzw[0].f[j];
+ y = vOut[j]->clip[1] = outputs[0].xyzw[1].f[j];
+ z = vOut[j]->clip[2] = outputs[0].xyzw[2].f[j];
+ w = vOut[j]->clip[3] = outputs[0].xyzw[3].f[j];
+
+ vOut[j]->clipmask = compute_clipmask(x, y, z, w);
+ vOut[j]->edgeflag = 1;
+
+ /* divide by w */
+ w = 1.0 / w;
+ x *= w;
+ y *= w;
+ z *= w;
+
+ /* Viewport mapping */
+ vOut[j]->data[0][0] = x * scale[0] + trans[0];
+ vOut[j]->data[0][1] = y * scale[1] + trans[1];
+ vOut[j]->data[0][2] = z * scale[2] + trans[2];
+ vOut[j]->data[0][3] = w;
+#if 0
+ printf("wincoord: %f %f %f\n",
+ vOut[j]->data[0][0],
+ vOut[j]->data[0][1],
+ vOut[j]->data[0][2]);
+#endif
+
+ /* remaining attributes: */
+ /* pack into sequential post-transform attrib slots */
+ slot = 1;
+ for (attr = 1; attr < VERT_RESULT_MAX; attr++) {
+ if (draw->vertex_shader.outputs_written & (1 << attr)) {
+ assert(slot < draw->nr_attrs);
+ vOut[j]->data[slot][0] = outputs[attr].xyzw[0].f[j];
+ vOut[j]->data[slot][1] = outputs[attr].xyzw[1].f[j];
+ vOut[j]->data[slot][2] = outputs[attr].xyzw[2].f[j];
+ vOut[j]->data[slot][3] = outputs[attr].xyzw[3].f[j];
+ slot++;
+ }
+ }
+ }
+
+#if 0
+ memcpy(
+ quad->outputs.color,
+ &machine.Outputs[1].xyzw[0].f[0],
+ sizeof( quad->outputs.color ) );
+#endif
+}
+
+
+/**
+ * Called by the draw module when the vertx cache needs to be flushed.
+ * This involves running the vertex shader.
+ */
+static void vs_flush( struct draw_context *draw )
+{
+ unsigned i, j;
+
+ /* run vertex shader on vertex cache entries, four per invokation */
+ for (i = 0; i < draw->vs.queue_nr; i += 4) {
+ struct vertex_header *dests[4];
+ unsigned elts[4];
+ int n;
+
+ for (j = 0; j < 4; j++) {
+ elts[j] = draw->vs.queue[i + j].elt;
+ dests[j] = draw->vs.queue[i + j].dest;
+ }
+
+ n = MIN2(4, draw->vs.queue_nr - i);
+ assert(n > 0);
+ assert(n <= 4);
+
+ run_vertex_program(draw, elts, n, dests);
+ }
+
+ draw->vs.queue_nr = 0;
+}
+
+
+void draw_set_mapped_vertex_buffer(struct draw_context *draw,
+ unsigned attr, const void *buffer)
+{
+ draw->mapped_vbuffer[attr] = buffer;
+}
+
+
+/**
+ * Draw vertex arrays
+ * This is the main entrypoint into the drawing module.
+ * \param prim one of PIPE_PRIM_x
+ * \param start index of first vertex to draw
+ * \param count number of vertices to draw
+ */
+void
+draw_arrays(struct draw_context *draw, unsigned prim,
+ unsigned start, unsigned count)
+{
+ /* tell drawing pipeline we're beginning drawing */
+ draw->pipeline.first->begin( draw->pipeline.first );
+
+ draw->vs_flush = vs_flush;
+
+ draw_invalidate_vcache( draw );
+
+ draw_set_prim( draw, prim );
+
+ /* drawing done here: */
+ draw_prim(draw, start, count);
+
+ /* draw any left-over buffered prims */
+ draw_flush(draw);
+
+ /* tell drawing pipeline we're done drawing */
+ draw->pipeline.first->end( draw->pipeline.first );
+}
+
+
+/* XXX move this into draw_context.c? */
+
+#define EMIT_ATTR( VF_ATTR, STYLE, SIZE ) \
+do { \
+ if (draw->nr_attrs >= 2) \
+ draw->vf_attr_to_slot[VF_ATTR] = draw->nr_attrs - 2; \
+ draw->attrs[draw->nr_attrs].attrib = VF_ATTR; \
+ draw->attrs[draw->nr_attrs].format = STYLE; \
+ draw->nr_attrs++; \
+ draw->vertex_size += SIZE; \
+} while (0)
+
+
+/**
+ * XXX very similar to same func in draw_vb.c (which will go away)
+ */
+void
+draw_set_vertex_attributes( struct draw_context *draw,
+ const unsigned *slot_to_vf_attr,
+ unsigned nr_attrs )
+{
+ unsigned i;
+
+ memset(draw->vf_attr_to_slot, 0, sizeof(draw->vf_attr_to_slot));
+ draw->nr_attrs = 0;
+ draw->vertex_size = 0;
+
+ /*
+ * First three attribs are always the same: header, clip pos, winpos
+ */
+ EMIT_ATTR(VF_ATTRIB_VERTEX_HEADER, EMIT_1F, 1);
+ EMIT_ATTR(VF_ATTRIB_CLIP_POS, EMIT_4F, 4);
+
+ assert(slot_to_vf_attr[0] == VF_ATTRIB_POS);
+ EMIT_ATTR(slot_to_vf_attr[0], EMIT_4F_VIEWPORT, 4);
+
+ /*
+ * Remaining attribs (color, texcoords, etc)
+ */
+ for (i = 1; i < nr_attrs; i++)
+ EMIT_ATTR(slot_to_vf_attr[i], EMIT_4F, 4);
+
+ draw->vertex_size *= 4; /* floats to bytes */
+}
* Full pipe will have vertex shader, vertex fetch of its own.
*/
}
+
+
+void
+draw_set_vertex_buffer(struct draw_context *draw,
+ unsigned attr,
+ const struct pipe_vertex_buffer *buffer)
+{
+ assert(attr < PIPE_ATTRIB_MAX);
+ draw->vertex_buffer[attr] = *buffer;
+}
+
+
+void
+draw_set_vertex_element(struct draw_context *draw,
+ unsigned attr,
+ const struct pipe_vertex_element *element)
+{
+ assert(attr < PIPE_ATTRIB_MAX);
+ draw->vertex_element[attr] = *element;
+}
+
+
+void
+draw_set_vertex_shader(struct draw_context *draw,
+ const struct pipe_shader_state *shader)
+{
+ draw->vertex_shader = *shader;
+}
const unsigned *attrs,
unsigned nr_attrs );
-/* XXX temporary */
-void draw_set_vertex_attributes2( struct draw_context *draw,
- const unsigned *attrs,
- unsigned nr_attrs );
+unsigned draw_prim_info( unsigned prim, unsigned *first, unsigned *incr );
+
+unsigned draw_trim( unsigned count, unsigned first, unsigned incr );
+
+void draw_set_mapped_element_buffer( struct draw_context *draw,
+ unsigned eltSize, void *elements );
+
+void draw_set_mapped_vertex_buffer(struct draw_context *draw,
+ unsigned attr, const void *buffer);
+
+
+void
+draw_set_vertex_buffer(struct draw_context *draw,
+ unsigned attr,
+ const struct pipe_vertex_buffer *buffer);
+
+void
+draw_set_vertex_element(struct draw_context *draw,
+ unsigned attr,
+ const struct pipe_vertex_element *element);
+
+void
+draw_set_vertex_shader(struct draw_context *draw,
+ const struct pipe_shader_state *shader);
+
+
+void
+draw_arrays(struct draw_context *draw, unsigned prim,
+ unsigned start, unsigned count);
-/* XXX temporary */
-void draw_vb(struct draw_context *draw,
- struct vertex_buffer *VB );
void draw_vertices(struct draw_context *draw,
unsigned mode,
* \param elements the element buffer ptr
*/
void
-draw_set_element_buffer( struct draw_context *draw,
- unsigned eltSize, void *elements )
+draw_set_mapped_element_buffer( struct draw_context *draw,
+ unsigned eltSize, void *elements )
{
/* choose the get_vertex() function to use */
switch (eltSize) {
}
draw->elts = elements;
draw->eltSize = eltSize;
-
-
}
+
unsigned
draw_prim_info(unsigned prim, unsigned *first, unsigned *incr)
{
void draw_set_prim( struct draw_context *draw, unsigned prim );
-void draw_set_element_buffer( struct draw_context *draw,
- unsigned eltSize, void *elements );
-
void draw_prim( struct draw_context *draw, unsigned start, unsigned count );
void draw_flush( struct draw_context *draw );
-unsigned draw_prim_info( unsigned prim, unsigned *first, unsigned *incr );
-
-unsigned draw_trim( unsigned count, unsigned first, unsigned incr );
-
#endif /* DRAW_PRIM_H */
/* pipe state that we need: */
struct pipe_setup_state setup;
struct pipe_viewport_state viewport;
+ struct pipe_vertex_buffer vertex_buffer[PIPE_ATTRIB_MAX];
+ struct pipe_vertex_element vertex_element[PIPE_ATTRIB_MAX];
+ struct pipe_shader_state vertex_shader;
- /** need to know the pipe for vertex flushing/transformation: */
- struct pipe_context *pipe;
+ const void *mapped_vbuffer[PIPE_ATTRIB_MAX];
/* Clip derived state:
*/
vf_emit_vertices( draw->vf, VB->Count, draw->verts );
if (VB->Elts)
- draw_set_element_buffer(draw, sizeof(unsigned), VB->Elts);
+ draw_set_mapped_element_buffer(draw, sizeof(unsigned), VB->Elts);
else
- draw_set_element_buffer(draw, 0, NULL);
+ draw_set_mapped_element_buffer(draw, 0, NULL);
for (i = 0; i < VB->PrimitiveCount; i++) {
const GLenum mode = VB->Primitive[i].mode;
/* no element/index buffer */
- draw_set_element_buffer(draw, 0, NULL);
+ draw_set_mapped_element_buffer(draw, 0, NULL);
/*draw_prim_info(mode, &first, &incr);*/
draw_allocate_vertices( draw, numVerts );
draw->in_vb = 0;
}
-
+#if 000
/**
* Accumulate another attribute's info.
draw->nr_attrs, 0 );
#endif
}
+#endif
*/
-/** TEMP */
-#include "main/context.h"
-#include "main/macros.h"
-
#include "pipe/p_defines.h"
#include "pipe/p_context.h"
#include "pipe/p_winsys.h"
-
+#include "pipe/p_util.h"
#include "sp_context.h"
#include "sp_state.h"
-#include "pipe/draw/draw_private.h"
#include "pipe/draw/draw_context.h"
-#include "pipe/draw/draw_prim.h"
-
-#include "pipe/tgsi/core/tgsi_exec.h"
-#include "pipe/tgsi/core/tgsi_build.h"
-#include "pipe/tgsi/core/tgsi_util.h"
-
-
-#if defined __GNUC__
-#define ALIGN16_DECL(TYPE, NAME, SIZE) TYPE NAME[SIZE] __attribute__(( aligned( 16 ) ))
-#define ALIGN16_ASSIGN(P) P
-#else
-#define ALIGN16_DECL(TYPE, NAME, SIZE) TYPE NAME[SIZE + 1]
-#define ALIGN16_ASSIGN(P) align16(P)
-#endif
-
-
-
-static INLINE unsigned
-compute_clipmask(float cx, float cy, float cz, float cw)
-{
- unsigned mask;
-#if defined(macintosh) || defined(__powerpc__)
- /* on powerpc cliptest is 17% faster in this way. */
- mask = (((cw < cx) << CLIP_RIGHT_SHIFT));
- mask |= (((cw < -cx) << CLIP_LEFT_SHIFT));
- mask |= (((cw < cy) << CLIP_TOP_SHIFT));
- mask |= (((cw < -cy) << CLIP_BOTTOM_SHIFT));
- mask |= (((cw < cz) << CLIP_FAR_SHIFT));
- mask |= (((cw < -cz) << CLIP_NEAR_SHIFT));
-#else /* !defined(macintosh)) */
- mask = 0x0;
- if (-cx + cw < 0) mask |= CLIP_RIGHT_BIT;
- if ( cx + cw < 0) mask |= CLIP_LEFT_BIT;
- if (-cy + cw < 0) mask |= CLIP_TOP_BIT;
- if ( cy + cw < 0) mask |= CLIP_BOTTOM_BIT;
- if (-cz + cw < 0) mask |= CLIP_FAR_BIT;
- if ( cz + cw < 0) mask |= CLIP_NEAR_BIT;
-#endif /* defined(macintosh) */
- return mask;
-}
-
-
-/**
- * Fetch a float[4] vertex attribute from memory, doing format/type
- * conversion as needed.
- * XXX this might be a temporary thing.
- */
-static void
-fetch_attrib4(const void *ptr, unsigned format, float attrib[4])
-{
- /* defaults */
- attrib[1] = 0.0;
- attrib[2] = 0.0;
- attrib[3] = 1.0;
- switch (format) {
- case PIPE_FORMAT_R32G32B32A32_FLOAT:
- attrib[3] = ((float *) ptr)[3];
- /* fall-through */
- case PIPE_FORMAT_R32G32B32_FLOAT:
- attrib[2] = ((float *) ptr)[2];
- /* fall-through */
- case PIPE_FORMAT_R32G32_FLOAT:
- attrib[1] = ((float *) ptr)[1];
- /* fall-through */
- case PIPE_FORMAT_R32_FLOAT:
- attrib[0] = ((float *) ptr)[0];
- break;
- default:
- assert(0);
- }
-}
-
-
-/**
- * Transform vertices with the current vertex program/shader
- * Up to four vertices can be shaded at a time.
- * \param vbuffer the input vertex data
- * \param elts indexes of four input vertices
- * \param count number of vertices to shade [1..4]
- * \param vOut array of pointers to four output vertices
- */
-static void
-run_vertex_program(struct softpipe_context *sp,
- unsigned elts[4], unsigned count,
- struct vertex_header *vOut[])
-{
- struct tgsi_exec_machine machine;
- unsigned int j;
-
- ALIGN16_DECL(struct tgsi_exec_vector, inputs, PIPE_ATTRIB_MAX);
- ALIGN16_DECL(struct tgsi_exec_vector, outputs, PIPE_ATTRIB_MAX);
- const float *scale = sp->viewport.scale;
- const float *trans = sp->viewport.translate;
-
- assert(count <= 4);
-
-#ifdef DEBUG
- memset( &machine, 0, sizeof( machine ) );
-#endif
-
- /* init machine state */
- tgsi_exec_machine_init(
- &machine,
- sp->vs.tokens,
- PIPE_MAX_SAMPLERS,
- NULL /*samplers*/ );
-
- /* Consts does not require 16 byte alignment. */
- machine.Consts = sp->vs.constants->constant;
-
- machine.Inputs = ALIGN16_ASSIGN(inputs);
- machine.Outputs = ALIGN16_ASSIGN(outputs);
-
-
- if (0)
- {
- unsigned attr;
- for (attr = 0; attr < 16; attr++) {
- if (sp->vs.inputs_read & (1 << attr)) {
- printf("attr %d: buf_off %d src_off %d pitch %d\n",
- attr,
- sp->vertex_buffer[attr].buffer_offset,
- sp->vertex_element[attr].src_offset,
- sp->vertex_buffer[attr].pitch);
- }
- }
- }
-
- /* load machine inputs */
- for (j = 0; j < count; j++) {
- unsigned attr;
- for (attr = 0; attr < 16; attr++) {
- if (sp->vs.inputs_read & (1 << attr)) {
- const void *src
- = (const void *) ((const ubyte *) sp->mapped_vbuffer[attr]
- + sp->vertex_buffer[attr].buffer_offset
- + sp->vertex_element[attr].src_offset
- + elts[j] * sp->vertex_buffer[attr].pitch);
- float p[4];
-
- fetch_attrib4(src, sp->vertex_element[attr].src_format, p);
-
- machine.Inputs[attr].xyzw[0].f[j] = p[0]; /*X*/
- machine.Inputs[attr].xyzw[1].f[j] = p[1]; /*Y*/
- machine.Inputs[attr].xyzw[2].f[j] = p[2]; /*Z*/
- machine.Inputs[attr].xyzw[3].f[j] = p[3]; /*W*/
-#if 0
- if (attr == 0) {
- printf("Input vertex %d: %f %f %f\n",
- j, p[0], p[1], p[2]);
- }
-#endif
- }
- }
- }
-
-#if 0
- printf("Consts:\n");
- for (i = 0; i < 4; i++) {
- printf(" %d: %f %f %f %f\n", i,
- machine.Consts[i][0],
- machine.Consts[i][1],
- machine.Consts[i][2],
- machine.Consts[i][3]);
- }
-#endif
-
- /* run shader */
- tgsi_exec_machine_run( &machine );
-
-#if 0
- printf("VS result: %f %f %f %f\n",
- outputs[0].xyzw[0].f[0],
- outputs[0].xyzw[1].f[0],
- outputs[0].xyzw[2].f[0],
- outputs[0].xyzw[3].f[0]);
-#endif
-
- /* store machine results */
- assert(sp->vs.outputs_written & (1 << VERT_RESULT_HPOS));
- for (j = 0; j < count; j++) {
- unsigned attr, slot;
- float x, y, z, w;
-
- /* Handle attr[0] (position) specially: */
- x = vOut[j]->clip[0] = outputs[0].xyzw[0].f[j];
- y = vOut[j]->clip[1] = outputs[0].xyzw[1].f[j];
- z = vOut[j]->clip[2] = outputs[0].xyzw[2].f[j];
- w = vOut[j]->clip[3] = outputs[0].xyzw[3].f[j];
-
- vOut[j]->clipmask = compute_clipmask(x, y, z, w);
- vOut[j]->edgeflag = 1;
-
- /* divide by w */
- w = 1.0 / w;
- x *= w;
- y *= w;
- z *= w;
-
- /* Viewport mapping */
- vOut[j]->data[0][0] = x * scale[0] + trans[0];
- vOut[j]->data[0][1] = y * scale[1] + trans[1];
- vOut[j]->data[0][2] = z * scale[2] + trans[2];
- vOut[j]->data[0][3] = w;
-#if 0
- printf("wincoord: %f %f %f\n",
- vOut[j]->data[0][0],
- vOut[j]->data[0][1],
- vOut[j]->data[0][2]);
-#endif
-
- /* remaining attributes: */
- /* pack into sequential post-transform attrib slots */
- slot = 1;
- for (attr = 1; attr < VERT_RESULT_MAX; attr++) {
- if (sp->vs.outputs_written & (1 << attr)) {
- assert(slot < sp->nr_attrs);
- vOut[j]->data[slot][0] = outputs[attr].xyzw[0].f[j];
- vOut[j]->data[slot][1] = outputs[attr].xyzw[1].f[j];
- vOut[j]->data[slot][2] = outputs[attr].xyzw[2].f[j];
- vOut[j]->data[slot][3] = outputs[attr].xyzw[3].f[j];
- slot++;
- }
- }
- }
-
-#if 0
- memcpy(
- quad->outputs.color,
- &machine.Outputs[1].xyzw[0].f[0],
- sizeof( quad->outputs.color ) );
-#endif
-}
-
-
-/**
- * Called by the draw module when the vertx cache needs to be flushed.
- * This involves running the vertex shader.
- */
-static void vs_flush( struct draw_context *draw )
-{
- struct softpipe_context *sp = (struct softpipe_context *) draw->pipe;
- unsigned i, j;
-
- /* run vertex shader on vertex cache entries, four per invokation */
- for (i = 0; i < draw->vs.queue_nr; i += 4) {
- struct vertex_header *dests[4];
- unsigned elts[4];
- int n;
-
- for (j = 0; j < 4; j++) {
- elts[j] = draw->vs.queue[i + j].elt;
- dests[j] = draw->vs.queue[i + j].dest;
- }
-
- n = MIN2(4, draw->vs.queue_nr - i);
- assert(n > 0);
- assert(n <= 4);
-
- run_vertex_program(sp, elts, n, dests);
- }
-
- draw->vs.queue_nr = 0;
-}
/**
+ * Draw vertex arrays, with optional indexing.
+ * Basically, map the vertex buffers (and drawing surfaces), then hand off
+ * the drawing to the 'draw' module.
+ *
* XXX should the element buffer be specified/bound with a separate function?
*/
void
unsigned indexSize,
unsigned mode, unsigned start, unsigned count)
{
-
struct softpipe_context *sp = softpipe_context(pipe);
struct draw_context *draw = sp->draw;
unsigned length, first, incr, i;
*/
for (i = 0; i < PIPE_ATTRIB_MAX; i++) {
if (sp->vertex_buffer[i].buffer) {
- sp->mapped_vbuffer[i]
+ void *buf
= pipe->winsys->buffer_map(pipe->winsys,
sp->vertex_buffer[i].buffer,
PIPE_BUFFER_FLAG_READ);
+ draw_set_mapped_vertex_buffer(draw, i, buf);
}
}
/* Map index buffer, if present */
mapped_indexes = pipe->winsys->buffer_map(pipe->winsys,
indexBuffer,
PIPE_BUFFER_FLAG_READ);
- draw_set_element_buffer(draw, indexSize, mapped_indexes);
+ draw_set_mapped_element_buffer(draw, indexSize, mapped_indexes);
}
else {
- draw_set_element_buffer(draw, 0, NULL); /* no index/element buffer */
+ draw_set_mapped_element_buffer(draw, 0, NULL); /* no index/element buffer */
}
- /* tell drawing pipeline we're beginning drawing */
- draw->pipeline.first->begin( draw->pipeline.first );
-
- draw->vs_flush = vs_flush;
- draw->pipe = pipe; /* XXX pass pipe to draw_create() */
-
- draw_invalidate_vcache( draw );
- draw_set_prim( draw, mode );
+ draw_arrays(draw, mode, start, count);
- /* drawing done here: */
- draw_prim(draw, start, count);
-
- /* draw any left-over buffered prims */
- draw_flush(draw);
-
- /* tell drawing pipeline we're done drawing */
- draw->pipeline.first->end( draw->pipeline.first );
/*
* unmap vertex/index buffers
for (i = 0; i < PIPE_ATTRIB_MAX; i++) {
if (sp->vertex_buffer[i].buffer) {
pipe->winsys->buffer_unmap(pipe->winsys, sp->vertex_buffer[i].buffer);
+ draw_set_mapped_vertex_buffer(draw, i, NULL);
}
}
if (indexBuffer) {
pipe->winsys->buffer_unmap(pipe->winsys, indexBuffer);
+ draw_set_mapped_element_buffer(draw, 0, NULL);
}
softpipe_unmap_surfaces(sp);
}
-
-
-
-#define EMIT_ATTR( VF_ATTR, STYLE, SIZE ) \
-do { \
- if (draw->nr_attrs >= 2) \
- draw->vf_attr_to_slot[VF_ATTR] = draw->nr_attrs - 2; \
- draw->attrs[draw->nr_attrs].attrib = VF_ATTR; \
- draw->attrs[draw->nr_attrs].format = STYLE; \
- draw->nr_attrs++; \
- draw->vertex_size += SIZE; \
-} while (0)
-
-
-/**
- * XXX very similar to same func in draw_vb.c (which will go away)
- */
-void
-draw_set_vertex_attributes2( struct draw_context *draw,
- const unsigned *slot_to_vf_attr,
- unsigned nr_attrs )
-{
- unsigned i;
-
- memset(draw->vf_attr_to_slot, 0, sizeof(draw->vf_attr_to_slot));
- draw->nr_attrs = 0;
- draw->vertex_size = 0;
-
- /*
- * First three attribs are always the same: header, clip pos, winpos
- */
- EMIT_ATTR(VF_ATTRIB_VERTEX_HEADER, EMIT_1F, 1);
- EMIT_ATTR(VF_ATTRIB_CLIP_POS, EMIT_4F, 4);
-
- assert(slot_to_vf_attr[0] == VF_ATTRIB_POS);
- EMIT_ATTR(slot_to_vf_attr[0], EMIT_4F_VIEWPORT, 4);
-
- /*
- * Remaining attribs (color, texcoords, etc)
- */
- for (i = 1; i < nr_attrs; i++)
- EMIT_ATTR(slot_to_vf_attr[i], EMIT_4F, 4);
-
- draw->vertex_size *= 4; /* floats to bytes */
-}
-
-
}
}
- /* If the attributes have changed, tell the draw module (which in turn
- * tells the vf module) about the new vertex layout.
+ /* If the attributes have changed, tell the draw module about
+ * the new vertex layout.
*/
if (attr_mask != softpipe->attr_mask) {
softpipe->attr_mask = attr_mask;
-#define USE_NEW_DRAW 01
-#if USE_NEW_DRAW
- draw_set_vertex_attributes2( softpipe->draw,
- slot_to_vf_attr,
- softpipe->nr_attrs );
-#else
draw_set_vertex_attributes( softpipe->draw,
- slot_to_vf_attr,
- softpipe->nr_attrs );
-#endif
+ slot_to_vf_attr,
+ softpipe->nr_attrs );
}
}
memcpy(&softpipe->vs, vs, sizeof(*vs));
softpipe->dirty |= SP_NEW_VS;
+
+ draw_set_vertex_shader(softpipe->draw, vs);
}
assert(index < PIPE_ATTRIB_MAX);
softpipe->vertex_element[index] = *attrib; /* struct copy */
softpipe->dirty |= SP_NEW_VERTEX;
+
+ draw_set_vertex_element(softpipe->draw, index, attrib);
}
assert(index < PIPE_ATTRIB_MAX);
softpipe->vertex_buffer[index] = *buffer; /* struct copy */
softpipe->dirty |= SP_NEW_VERTEX;
+
+ draw_set_vertex_buffer(softpipe->draw, index, buffer);
}
DRAW_SOURCES = \
+ pipe/draw/draw_arrays.c \
pipe/draw/draw_clip.c \
pipe/draw/draw_context.c\
pipe/draw/draw_cull.c \
projects / profile / ivi / mesa.git / commitdiff